Finding the Fourth Proportional to 22,462.97, 30,998.89 and 12,391.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,462.97 : 30,998.89 = 12,391.43 : x
2. Step 2: Convert to fraction form
   22,462.97/30,998.89 = 12,391.43/x
3. Step 3: Cross multiply
   22,462.97x = 30,998.89 × 12,391.43
4. Step 4: Simplify right side
   22,462.97x = 384,120,645.23
5. Step 5: Solve for x
   x = 384,120,645.23/22,462.97
6. Step 6: Final answer
   x = 17,100.17